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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package com.sun.star.wizards.ui.event;
import com.sun.star.awt.*;
import com.sun.star.lang.EventObject;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.wizards.common.Helper;
import com.sun.star.wizards.common.PropertyNames;
/**
* This class suppoprts imple cases where a UI control can
* be directly synchronized with a data property.
* Such controls are: the different text controls
* (synchronizing the "Text" , "Value", "Date", "Time" property),
* Checkbox controls, Dropdown listbox controls (synchronizing the
* SelectedItems[] property.
* For those controls, static convenience methods are offered, to simplify use.
*/
public class UnoDataAware extends DataAware
{
private Object unoControl;
private Object unoModel;
private String unoPropName;
private Object[] disableObjects = new Object[0];
private boolean inverse = false;
private UnoDataAware(Object dataObject, Value value, Object unoObject_, String unoPropName_)
{
super(dataObject, value);
unoControl = unoObject_;
unoModel = getModel(unoControl);
unoPropName = unoPropName_;
}
public void setInverse(boolean i)
{
inverse = i;
}
@Override
protected void enableControls(Object value)
{
Boolean b = getBoolean(value);
if (inverse)
{
b = b.booleanValue() ? Boolean.FALSE : Boolean.TRUE;
}
for (int i = 0; i < disableObjects.length; i++)
{
setEnabled(disableObjects[i], b);
}
}
@Override
protected void setToUI(Object value)
{
Helper.setUnoPropertyValue(unoModel, unoPropName, value);
}
/**
* Try to get from an arbitrary object a boolean value.
* Null returns Boolean.FALSE;
* A Boolean object returns itself.
* An Array returns true if it not empty.
* An Empty String returns Boolean.FALSE.
* everything else returns a Boolean.TRUE.
* @param value
* @return
*/
private Boolean getBoolean(Object value)
{
if (value == null)
{
return Boolean.FALSE;
}
if (value instanceof Boolean)
{
return (Boolean) value;
}
else if (value.getClass().isArray())
{
return ((short[]) value).length != 0 ? Boolean.TRUE : Boolean.FALSE;
}
else if (value.equals(PropertyNames.EMPTY_STRING))
{
return Boolean.FALSE;
}
else if (value instanceof Number)
{
return ((Number) value).intValue() == 0 ? Boolean.TRUE : Boolean.FALSE;
}
else
{
return Boolean.TRUE;
}
}
@Override
protected Object getFromUI()
{
return Helper.getUnoPropertyValue(unoModel, unoPropName);
}
private static UnoDataAware attachTextControl(Object data, String prop, Object unoText, final Listener listener, String unoProperty, boolean field, Object value)
{
XTextComponent text = UnoRuntime.queryInterface(XTextComponent.class, unoText);
final UnoDataAware uda = new UnoDataAware(data,
field
? DataAwareFields.getFieldValueFor(data, prop, value)
: new DataAware.PropertyValue(prop, data),
text, unoProperty);
text.addTextListener(new XTextListener()
{
public void textChanged(TextEvent te)
{
uda.updateData();
if (listener != null)
{
listener.eventPerformed(te);
}
}
public void disposing(EventObject eo)
{
}
});
return uda;
}
static XItemListener itemListener(final DataAware da, final Listener listener)
{
return new XItemListener()
{
public void itemStateChanged(ItemEvent ie)
{
da.updateData();
if (listener != null)
{
listener.eventPerformed(ie);
}
}
public void disposing(EventObject eo)
{
}
};
}
public static Object getModel(Object control)
{
return UnoRuntime.queryInterface(XControl.class, control).getModel();
}
private static void setEnabled(Object control, Boolean enabled)
{
Helper.setUnoPropertyValue(getModel(control), PropertyNames.PROPERTY_ENABLED, enabled);
}
}
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